Spark ignited internal combustion engine

Internal-combustion engines – Precombustion and main combustion chambers in series – Having fluid whirling means

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Details

123169PA, 123280, 123286, F02B 1502, F02B 2300

Patent

active

042429900

ABSTRACT:
The invention is in an externally ignited internal combustion engine which has one main combustion chamber per cylinder and one ignition chamber which communicates with the main combustion chamber via an excess flow channel, the opening member of which projects into the main combustion chamber and is embodied as a flame injector. After the ignition of the mixture located in the ignition chamber by means of a spark plug, when the jet of flame leaves the excess flow channel and enters the main combustion chamber through the flame injector, the fuel-rich mixture surrounding the opening of the ignition chamber is induced in the vicinity of the cooled walls of the main combustion chamber and thus the temperature of the jet of flame is lowered. In this way, the NO.sub.x concentration of the charge component comprising the jet of flame, and thus also the exhaust gas quantity as a whole, is reduced. At the same time, the turbulence of the charge in the main combustion chamber is rapidly increased at the instant of combustion, thus producing a much more desirable firing action.

REFERENCES:
patent: 1325405 (1919-12-01), Jouffret
patent: 3102521 (1963-09-01), Slemmons
patent: 3814067 (1974-06-01), Fuente

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